LS Engine Oil Cooler Bypass Cover Block Off Plate Kit Compatible with Gen III IV LS Engine, CNC Machined 6061-T6 Aluminum, Black Anodized, Replace GM 12577903, Includes Gaskets and Hardware
High Compatibility: Fits most GM Gen III and IV LS-series small block oil pans with oil cooler ports located above the oil filter. Upgraded replacement for OE GM part number 12577903
Premium Construction: CNC-machined from billet 6061-T6 aluminum with black anodized finish. Features a large ported internal cavity with smooth flow characteristics for improved performance over factory diecast bypass covers
Complete Kit Included: Package contains 2 bypass covers, 4 zinc-plated steel flanged hex head mounting screws, 4 plugs, and 2 upgraded gaskets made from high-temp FKM rubber bonded to aluminum for reliable, leak-free sealing
Easy Installation: All necessary hardware and accessories included for straightforward installation. Simply place the block off plate and gasket in the corresponding position on the oil pan and tighten the screws
Description
Features: Fits most GM Gen III and IV LS-series small block oil pans with oil cooler ports located above the oil filter.Upgraded replacement for (OE GM part # 12577903) Specifications: Adapter Material: 6061-T6 Aluminum According to the original factory specifications,perfect match for the original car. Aftermarket product with premium quality. Stable performance, high reliability,suitable for replacing your broken one.